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Manifestations of the disease in patient group and controls
| Manifestations of pathology | Patients | Controls | χ2 | p value |
|---|---|---|---|---|
| Raynaud | 17 (31.5%) | 0 | 20 | < 0.0001 |
| Skin lesions | 27 (50%) | 0 | 36 | < 0.0001 |
| ILD | 21 (38.9%) | 0 | 26 | < 0.0001 |
| Arthritis | 14 (25.9%) | 3 (5.6%) | 16 | < 0.0001 |
